| Porsgrunn to Rancho Cordova (California) | 5,127.78 mi (8,252.36 km) |
| Porsgrunn to Rancho Cucamonga (California) | 5,323.70 mi (8,567.66 km) |
| Porsgrunn to Rancho Mirage (California) | 5,318.73 mi (8,559.67 km) |
| Porsgrunn to Rancho Palos Verdes (California) | 5,365.91 mi (8,635.60 km) |
| Porsgrunn to Rancho San Diego (California) | 5,393.44 mi (8,679.91 km) |
| Porsgrunn to Rancho Santa Margarita (California) | 5,355.39 mi (8,618.67 km) |
| Porsgrunn to Randallstown (Maryland) | 3,824.39 mi (6,154.76 km) |
| Porsgrunn to Rantoul (Illinois) | 4,138.53 mi (6,660.32 km) |
| Porsgrunn to Rapid City (South Dakota) | 4,356.20 mi (7,010.63 km) |
| Porsgrunn to Ravenna (Ohio) | 3,872.86 mi (6,232.77 km) |
| Porsgrunn to Raymondville (Texas) | 5,240.41 mi (8,433.62 km) |
| Porsgrunn to Raymore (Missouri) | 4,415.35 mi (7,105.82 km) |
| Porsgrunn to Raytown (Missouri) | 4,404.51 mi (7,088.38 km) |
| Porsgrunn to Reading (Ohio) | 4,081.48 mi (6,568.50 km) |
| Porsgrunn to Reading (Pennsylvania) | 3,743.18 mi (6,024.06 km) |
