| Porsgrunn to Richmond (California) | 5,190.93 mi (8,354.00 km) |
| Porsgrunn to Richmond (Indiana) | 4,062.37 mi (6,537.76 km) |
| Porsgrunn to Richmond (Kentucky) | 4,160.02 mi (6,694.90 km) |
| Porsgrunn to Richmond (Texas) | 4,992.95 mi (8,035.38 km) |
| Porsgrunn to Richmond (Virginia) | 3,947.09 mi (6,352.22 km) |
| Porsgrunn to Richmond Heights (Florida) | 4,715.34 mi (7,588.60 km) |
| Porsgrunn to Richmond Heights (Ohio) | 3,859.66 mi (6,211.53 km) |
| Porsgrunn to Richmond Hill (Georgia) | 4,389.42 mi (7,064.09 km) |
| Porsgrunn to Richmond West (Florida) | 4,718.71 mi (7,594.03 km) |
| Porsgrunn to Richton Park (Illinois) | 4,060.01 mi (6,533.96 km) |
| Porsgrunn to Ridge (New York) | 3,611.21 mi (5,811.68 km) |
| Porsgrunn to Ridgecrest (California) | 5,231.53 mi (8,419.33 km) |
| Porsgrunn to Ridgefield (New Jersey) | 3,653.21 mi (5,879.27 km) |
| Porsgrunn to Ridgefield (Washington) | 4,700.73 mi (7,565.09 km) |
| Porsgrunn to Ridgefield Park (New Jersey) | 3,652.17 mi (5,877.59 km) |
