| Janakkala to Oignies | 1,100.87 mi (1,771.68 km) |
| Janakkala to Oissel | 1,215.04 mi (1,955.42 km) |
| Janakkala to Olivet | 1,272.36 mi (2,047.67 km) |
| Janakkala to Ollioules | 1,453.82 mi (2,339.70 km) |
| Janakkala to Olonne-sur-Mer | 1,449.23 mi (2,332.31 km) |
| Janakkala to Oloron-Sainte-Marie | 1,607.67 mi (2,587.30 km) |
| Janakkala to Onet Village | 1,455.88 mi (2,343.01 km) |
| Janakkala to Onnaing | 1,087.90 mi (1,750.80 km) |
| Janakkala to Orange | 1,415.85 mi (2,278.59 km) |
| Janakkala to Orchies | 1,093.40 mi (1,759.65 km) |
| Janakkala to Orleans | 1,269.99 mi (2,043.85 km) |
| Janakkala to Orly | 1,210.22 mi (1,947.67 km) |
| Janakkala to Ormesson-sur-Marne | 1,203.88 mi (1,937.46 km) |
| Janakkala to Orsay | 1,218.46 mi (1,960.92 km) |
| Janakkala to Orthez | 1,594.80 mi (2,566.58 km) |
