| South Portland to Redon | 3,198.41 mi (5,147.35 km) |
| South Portland to Reims | 3,414.88 mi (5,495.72 km) |
| South Portland to Rennes | 3,204.15 mi (5,156.58 km) |
| South Portland to Revel | 3,497.81 mi (5,629.19 km) |
| South Portland to Reze | 3,232.63 mi (5,202.41 km) |
| South Portland to Riedisheim | 3,597.26 mi (5,789.23 km) |
| South Portland to Rillieux-la-Pape | 3,551.75 mi (5,715.99 km) |
| South Portland to Riom | 3,472.33 mi (5,588.18 km) |
| South Portland to Riorges | 3,508.01 mi (5,645.60 km) |
| South Portland to Ris-Orangis | 3,364.03 mi (5,413.88 km) |
| South Portland to Rive-de-Gier | 3,548.59 mi (5,710.90 km) |
| South Portland to Rivesaltes | 3,558.65 mi (5,727.10 km) |
| South Portland to Rixheim | 3,598.81 mi (5,791.73 km) |
| South Portland to Roanne | 3,509.41 mi (5,647.86 km) |
| South Portland to Roche-la-Moliere | 3,538.82 mi (5,695.17 km) |
