| Boise to Rhondda | 4,734.05 mi (7,618.72 km) |
| Boise to Rhosllanerchrugog | 4,678.09 mi (7,528.66 km) |
| Boise to Rhyl | 4,650.47 mi (7,484.20 km) |
| Boise to Rhymney | 4,731.29 mi (7,614.27 km) |
| Boise to Richmond | 4,836.35 mi (7,783.35 km) |
| Boise to Rickmansworth | 4,822.36 mi (7,760.84 km) |
| Boise to Ripley | 4,724.95 mi (7,604.08 km) |
| Boise to Ripon | 4,668.56 mi (7,513.32 km) |
| Boise to Risca | 4,744.46 mi (7,635.47 km) |
| Boise to Rochdale | 4,675.45 mi (7,524.41 km) |
| Boise to Rochester | 4,864.21 mi (7,828.19 km) |
| Boise to Rock Ferry | 4,662.04 mi (7,502.83 km) |
| Boise to Rogerstone | 4,746.45 mi (7,638.67 km) |
| Boise to Romford | 4,844.62 mi (7,796.66 km) |
| Boise to Romsey | 4,823.43 mi (7,762.56 km) |
