| Landerneau to Oignies | 353.72 mi (569.25 km) |
| Landerneau to Oissel | 250.23 mi (402.70 km) |
| Landerneau to Olivet | 286.27 mi (460.70 km) |
| Landerneau to Ollioules | 608.45 mi (979.21 km) |
| Landerneau to Olonne-sur-Mer | 175.68 mi (282.72 km) |
| Landerneau to Oloron-Sainte-Marie | 403.21 mi (648.91 km) |
| Landerneau to Onet Village | 430.92 mi (693.50 km) |
| Landerneau to Onnaing | 377.03 mi (606.76 km) |
| Landerneau to Orange | 524.64 mi (844.32 km) |
| Landerneau to Orchies | 364.20 mi (586.12 km) |
| Landerneau to Orleans | 286.18 mi (460.56 km) |
| Landerneau to Orly | 304.09 mi (489.39 km) |
| Landerneau to Ormesson-sur-Marne | 310.79 mi (500.17 km) |
| Landerneau to Orsay | 294.67 mi (474.23 km) |
| Landerneau to Orthez | 381.32 mi (613.67 km) |
