| Willoughby to Creutzwald | 4,057.10 mi (6,529.27 km) |
| Willoughby to Croissy-sur-Seine | 3,885.43 mi (6,252.99 km) |
| Willoughby to Croix | 3,870.27 mi (6,228.60 km) |
| Willoughby to Crosne | 3,903.47 mi (6,282.02 km) |
| Willoughby to Cuers | 4,240.22 mi (6,823.98 km) |
| Willoughby to Cugnaux | 4,025.26 mi (6,478.03 km) |
| Willoughby to Cusset | 4,028.24 mi (6,482.83 km) |
| Willoughby to Dammarie-le-Lys | 3,916.95 mi (6,303.72 km) |
| Willoughby to Dammartin-en-Goele | 3,901.76 mi (6,279.27 km) |
| Willoughby to Dardilly | 4,093.64 mi (6,588.08 km) |
| Willoughby to Darnetal | 3,827.94 mi (6,160.47 km) |
| Willoughby to Dax | 3,914.57 mi (6,299.89 km) |
| Willoughby to Decines-Charpieu | 4,103.51 mi (6,603.95 km) |
| Willoughby to Denain | 3,890.62 mi (6,261.35 km) |
| Willoughby to Deuil-la-Barre | 3,889.85 mi (6,260.11 km) |
