| Caldogno to Octeville | 671.01 mi (1,079.88 km) |
| Caldogno to Oignies | 516.57 mi (831.34 km) |
| Caldogno to Oissel | 549.70 mi (884.66 km) |
| Caldogno to Olivet | 480.12 mi (772.68 km) |
| Caldogno to Ollioules | 326.54 mi (525.52 km) |
| Caldogno to Olonne-sur-Mer | 638.51 mi (1,027.58 km) |
| Caldogno to Oloron-Sainte-Marie | 619.41 mi (996.84 km) |
| Caldogno to Onet Village | 443.03 mi (712.98 km) |
| Caldogno to Onnaing | 492.19 mi (792.11 km) |
| Caldogno to Orange | 342.44 mi (551.10 km) |
| Caldogno to Orchies | 508.10 mi (817.71 km) |
| Caldogno to Orleans | 480.46 mi (773.23 km) |
| Caldogno to Orly | 479.09 mi (771.02 km) |
| Caldogno to Ormesson-sur-Marne | 474.21 mi (763.16 km) |
| Caldogno to Orsay | 486.46 mi (782.88 km) |
