| Delaware to Rhondda | 3,710.93 mi (5,972.17 km) |
| Delaware to Rhosllanerchrugog | 3,690.74 mi (5,939.67 km) |
| Delaware to Rhyl | 3,666.65 mi (5,900.90 km) |
| Delaware to Rhymney | 3,712.69 mi (5,974.99 km) |
| Delaware to Richmond | 3,838.96 mi (6,178.20 km) |
| Delaware to Rickmansworth | 3,827.47 mi (6,159.71 km) |
| Delaware to Ripley | 3,753.50 mi (6,040.67 km) |
| Delaware to Ripon | 3,721.73 mi (5,989.54 km) |
| Delaware to Risca | 3,724.16 mi (5,993.46 km) |
| Delaware to Rochdale | 3,710.38 mi (5,971.28 km) |
| Delaware to Rochester | 3,872.81 mi (6,232.69 km) |
| Delaware to Rock Ferry | 3,683.66 mi (5,928.28 km) |
| Delaware to Rogerstone | 3,726.10 mi (5,996.57 km) |
| Delaware to Romford | 3,854.59 mi (6,203.36 km) |
| Delaware to Romsey | 3,804.12 mi (6,122.14 km) |
