| Port Huron to Creutzwald | 4,037.97 mi (6,498.49 km) |
| Port Huron to Croissy-sur-Seine | 3,870.05 mi (6,228.24 km) |
| Port Huron to Croix | 3,850.71 mi (6,197.11 km) |
| Port Huron to Crosne | 3,888.19 mi (6,257.44 km) |
| Port Huron to Cuers | 4,232.41 mi (6,811.40 km) |
| Port Huron to Cugnaux | 4,020.73 mi (6,470.74 km) |
| Port Huron to Cusset | 4,017.19 mi (6,465.05 km) |
| Port Huron to Dammarie-le-Lys | 3,901.94 mi (6,279.56 km) |
| Port Huron to Dammartin-en-Goele | 3,885.67 mi (6,253.38 km) |
| Port Huron to Dardilly | 4,082.23 mi (6,569.71 km) |
| Port Huron to Darnetal | 3,812.10 mi (6,134.98 km) |
| Port Huron to Dax | 3,911.60 mi (6,295.11 km) |
| Port Huron to Decines-Charpieu | 4,092.00 mi (6,585.44 km) |
| Port Huron to Denain | 3,871.58 mi (6,230.71 km) |
| Port Huron to Deuil-la-Barre | 3,874.16 mi (6,234.85 km) |
