| Tuusula to Oignies | 1,095.84 mi (1,763.58 km) |
| Tuusula to Oissel | 1,210.39 mi (1,947.94 km) |
| Tuusula to Olivet | 1,265.00 mi (2,035.82 km) |
| Tuusula to Ollioules | 1,437.89 mi (2,314.06 km) |
| Tuusula to Olonne-sur-Mer | 1,444.02 mi (2,323.92 km) |
| Tuusula to Oloron-Sainte-Marie | 1,598.21 mi (2,572.06 km) |
| Tuusula to Onet Village | 1,444.25 mi (2,324.30 km) |
| Tuusula to Onnaing | 1,082.08 mi (1,741.44 km) |
| Tuusula to Orange | 1,401.75 mi (2,255.90 km) |
| Tuusula to Orchies | 1,088.10 mi (1,751.13 km) |
| Tuusula to Orleans | 1,262.66 mi (2,032.06 km) |
| Tuusula to Orly | 1,203.43 mi (1,936.73 km) |
| Tuusula to Ormesson-sur-Marne | 1,196.99 mi (1,926.37 km) |
| Tuusula to Orsay | 1,211.82 mi (1,950.24 km) |
| Tuusula to Orthez | 1,585.73 mi (2,551.98 km) |
