| Kalamaria to Octeville | 1,343.75 mi (2,162.55 km) |
| Kalamaria to Oignies | 1,177.01 mi (1,894.22 km) |
| Kalamaria to Oissel | 1,221.62 mi (1,966.01 km) |
| Kalamaria to Olivet | 1,152.27 mi (1,854.40 km) |
| Kalamaria to Ollioules | 895.96 mi (1,441.91 km) |
| Kalamaria to Olonne-sur-Mer | 1,298.05 mi (2,089.01 km) |
| Kalamaria to Oloron-Sainte-Marie | 1,220.87 mi (1,964.80 km) |
| Kalamaria to Onet Village | 1,066.74 mi (1,716.75 km) |
| Kalamaria to Onnaing | 1,150.91 mi (1,852.21 km) |
| Kalamaria to Orange | 955.95 mi (1,538.45 km) |
| Kalamaria to Orchies | 1,167.46 mi (1,878.85 km) |
| Kalamaria to Orleans | 1,152.73 mi (1,855.14 km) |
| Kalamaria to Orly | 1,151.64 mi (1,853.38 km) |
| Kalamaria to Ormesson-sur-Marne | 1,146.56 mi (1,845.20 km) |
| Kalamaria to Orsay | 1,159.20 mi (1,865.55 km) |
