| Portsmouth to Rancho Cordova (California) | 5,279.44 mi (8,496.44 km) |
| Portsmouth to Rancho Cucamonga (California) | 5,415.13 mi (8,714.81 km) |
| Portsmouth to Rancho Mirage (California) | 5,397.52 mi (8,686.47 km) |
| Portsmouth to Rancho Palos Verdes (California) | 5,462.26 mi (8,790.65 km) |
| Portsmouth to Rancho San Diego (California) | 5,470.35 mi (8,803.67 km) |
| Portsmouth to Rancho Santa Margarita (California) | 5,444.01 mi (8,761.28 km) |
| Portsmouth to Randallstown (Maryland) | 3,610.36 mi (5,810.31 km) |
| Portsmouth to Rantoul (Illinois) | 4,025.89 mi (6,479.05 km) |
| Portsmouth to Rapid City (South Dakota) | 4,398.77 mi (7,079.14 km) |
| Portsmouth to Ravenna (Ohio) | 3,713.11 mi (5,975.67 km) |
| Portsmouth to Raymondville (Texas) | 5,096.50 mi (8,202.02 km) |
| Portsmouth to Raymore (Missouri) | 4,340.86 mi (6,985.93 km) |
| Portsmouth to Raytown (Missouri) | 4,331.75 mi (6,971.28 km) |
| Portsmouth to Reading (Ohio) | 3,928.07 mi (6,321.62 km) |
| Portsmouth to Reading (Pennsylvania) | 3,532.25 mi (5,684.61 km) |
