| Porsgrunn to Ansonia (Connecticut) | 3,594.39 mi (5,784.61 km) |
| Porsgrunn to Antelope (California) | 5,121.17 mi (8,241.73 km) |
| Porsgrunn to Anthem (Arizona) | 5,204.53 mi (8,375.88 km) |
| Porsgrunn to Antioch (California) | 5,177.25 mi (8,331.97 km) |
| Porsgrunn to Antioch (Illinois) | 4,015.23 mi (6,461.88 km) |
| Porsgrunn to Apache Junction (Arizona) | 5,217.60 mi (8,396.91 km) |
| Porsgrunn to Apex (North Carolina) | 4,093.37 mi (6,587.64 km) |
| Porsgrunn to Apollo Beach (Florida) | 4,662.34 mi (7,503.32 km) |
| Porsgrunn to Apopka (Florida) | 4,578.96 mi (7,369.12 km) |
| Porsgrunn to Apple Valley (California) | 5,289.43 mi (8,512.51 km) |
| Porsgrunn to Apple Valley (Minnesota) | 4,041.08 mi (6,503.49 km) |
| Porsgrunn to Appleton (Wisconsin) | 3,925.41 mi (6,317.34 km) |
| Porsgrunn to Arbutus (Maryland) | 3,827.72 mi (6,160.12 km) |
| Porsgrunn to Arcadia (California) | 5,334.34 mi (8,584.79 km) |
| Porsgrunn to Arcata (California) | 5,041.88 mi (8,114.13 km) |
