| Boulder to Redon | 4,769.88 mi (7,676.38 km) |
| Boulder to Reims | 4,919.57 mi (7,917.28 km) |
| Boulder to Rennes | 4,765.58 mi (7,669.45 km) |
| Boulder to Revel | 5,105.38 mi (8,216.32 km) |
| Boulder to Reze | 4,808.28 mi (7,738.18 km) |
| Boulder to Riedisheim | 5,103.15 mi (8,212.73 km) |
| Boulder to Rillieux-la-Pape | 5,105.70 mi (8,216.84 km) |
| Boulder to Riom | 5,037.61 mi (8,107.25 km) |
| Boulder to Riorges | 5,064.64 mi (8,150.75 km) |
| Boulder to Ris-Orangis | 4,890.10 mi (7,869.86 km) |
| Boulder to Rive-de-Gier | 5,108.90 mi (8,221.98 km) |
| Boulder to Rivesaltes | 5,169.72 mi (8,319.86 km) |
| Boulder to Rixheim | 5,104.42 mi (8,214.77 km) |
| Boulder to Roanne | 5,065.94 mi (8,152.84 km) |
| Boulder to Roche-la-Moliere | 5,102.60 mi (8,211.85 km) |
