| Olen to Croissy-sur-Seine | 197.71 mi (318.18 km) |
| Olen to Croix | 80.88 mi (130.17 km) |
| Olen to Crosne | 198.97 mi (320.22 km) |
| Olen to Cuers | 549.68 mi (884.62 km) |
| Olen to Cugnaux | 550.81 mi (886.44 km) |
| Olen to Cusset | 352.32 mi (567.00 km) |
| Olen to Dammarie-le-Lys | 206.80 mi (332.82 km) |
| Olen to Dammartin-en-Goele | 173.78 mi (279.67 km) |
| Olen to Dardilly | 369.29 mi (594.31 km) |
| Olen to Darnetal | 201.30 mi (323.95 km) |
| Olen to Dax | 582.90 mi (938.09 km) |
| Olen to Decines-Charpieu | 371.80 mi (598.35 km) |
| Olen to Denain | 85.25 mi (137.20 km) |
| Olen to Deuil-la-Barre | 187.24 mi (301.34 km) |
| Olen to Deville-les-Rouen | 203.92 mi (328.17 km) |
