| Boulder to Creutzwald | 5,012.71 mi (8,067.18 km) |
| Boulder to Croissy-sur-Seine | 4,870.65 mi (7,838.55 km) |
| Boulder to Croix | 4,826.83 mi (7,768.03 km) |
| Boulder to Crosne | 4,889.02 mi (7,868.11 km) |
| Boulder to Cuers | 5,268.34 mi (8,478.57 km) |
| Boulder to Cugnaux | 5,076.57 mi (8,169.95 km) |
| Boulder to Cusset | 5,039.32 mi (8,110.00 km) |
| Boulder to Dammarie-le-Lys | 4,903.98 mi (7,892.20 km) |
| Boulder to Dammartin-en-Goele | 4,881.85 mi (7,856.57 km) |
| Boulder to Dardilly | 5,101.19 mi (8,209.57 km) |
| Boulder to Darnetal | 4,811.20 mi (7,742.89 km) |
| Boulder to Dax | 4,976.48 mi (8,008.87 km) |
| Boulder to Decines-Charpieu | 5,110.29 mi (8,224.22 km) |
| Boulder to Denain | 4,850.45 mi (7,806.05 km) |
| Boulder to Deuil-la-Barre | 4,872.83 mi (7,842.07 km) |
