Lake Related:
Lake Verity
Lake Acuity
Lake Valor
Verity Lakefront --- (just outside the lake)
Valor Lakefront --- (just outside the lake)
Acuity Lakefront --- (just outside the lake)
Valor Cavern --- (middle of lake, after Spear Pillar Showdown)
Acuity Cavern --- (middle of lake, after Spear Pillar Showdown)
Verity Cavern --- (middle of lake, after Spear Pillar Showdown)
Grand Lake --- (East of Pastoria, the mainland resort, suites and southern-most building)
Restaurant --- (East-Northeast of Pastoria, the Dual Duel Diner)
Spring Path --- (South of Veilstone; opens after E4 victory; leads hero to Giratina)
Sendoff Spring --- (beyond Spring Path; navigate to Turnback Cave, Giratina)
International:
Kanto
Johto
Hoenn
Link Trade --- (in game NPC)
Distant Land
City Connection:
Trainer School --- (Jubilife)
GTS ---(Jubilife)
Jubilife TV --- (Jubilife)
Poketch Co. --- (Jubilife)
Mining Museum --- (Oreburgh)
Flower Shop --- (Floaroma)
Floaroma Meadow --- (Floaroma obviously)
Cycle Shop --- (Eterna City's only; Galactic's base is eterna City)
Foreign Building ---(Hearthome's 'Church')
Poffin House --- (Hearthome)
Contest Hall --- (Hearthome)
Amity Square --- (Hearthome)
Solaceon Ruins --- (Solaceon)
Pokemon Day Care --- (Solaceon)
Veilstone Store --- (Veilstone)
Galactic HQ --- (Veilstone)
Game Corner --- (Veilstone; refers to the gameplay location-prize house shows V City)
Great Marsh --- (Pastoria)
Canalave Library --- (Canalave Library)
Sunyshore Market --- (Sunyshore Market)
Vista Lighthouse --- (Sunyshore)
Battle Park --- (Fight Area)
Battle Tower --- (Fight Area)
SnowPoint Temple --- (Snowpoint)
Routes Related an Other Locations:
Ruin Maniac Cave
Maniac Tunnel
Stark Mountain
Footstep House --- (East of Pastoria)
Cafe --- (North of Solaceon, first building)
Spear Pillar --- (peak of Mount Coronet)
Hall of Origin --- From Arceus event/approach
Flower Paradise --- from Shaymin event/approach
Seabreak Path --- from Shaymin event/approach
Full Moon Island --- from Cresselia story event