| Palermo to Octeville | 1,087.42 mi (1,750.03 km) |
| Palermo to Oignies | 993.56 mi (1,598.98 km) |
| Palermo to Oissel | 985.77 mi (1,586.44 km) |
| Palermo to Olivet | 886.40 mi (1,426.52 km) |
| Palermo to Ollioules | 524.73 mi (844.47 km) |
| Palermo to Olonne-sur-Mer | 964.79 mi (1,552.67 km) |
| Palermo to Oloron-Sainte-Marie | 810.51 mi (1,304.40 km) |
| Palermo to Onet Village | 705.70 mi (1,135.71 km) |
| Palermo to Onnaing | 974.02 mi (1,567.53 km) |
| Palermo to Orange | 608.67 mi (979.56 km) |
| Palermo to Orchies | 987.65 mi (1,589.46 km) |
| Palermo to Orleans | 888.02 mi (1,429.13 km) |
| Palermo to Orly | 915.70 mi (1,473.67 km) |
| Palermo to Ormesson-sur-Marne | 913.60 mi (1,470.29 km) |
| Palermo to Orsay | 919.47 mi (1,479.74 km) |
