| Willmar to Octeville | 4,087.62 mi (6,578.39 km) |
| Willmar to Oignies | 4,219.99 mi (6,791.41 km) |
| Willmar to Oissel | 4,198.79 mi (6,757.31 km) |
| Willmar to Olivet | 4,289.81 mi (6,903.79 km) |
| Willmar to Ollioules | 4,644.71 mi (7,474.94 km) |
| Willmar to Olonne-sur-Mer | 4,207.01 mi (6,770.53 km) |
| Willmar to Oloron-Sainte-Marie | 4,392.25 mi (7,068.64 km) |
| Willmar to Onet Village | 4,466.09 mi (7,187.48 km) |
| Willmar to Onnaing | 4,244.58 mi (6,830.99 km) |
| Willmar to Orange | 4,560.33 mi (7,339.15 km) |
| Willmar to Orchies | 4,228.55 mi (6,805.19 km) |
| Willmar to Orleans | 4,288.50 mi (6,901.67 km) |
| Willmar to Orly | 4,270.73 mi (6,873.08 km) |
| Willmar to Ormesson-sur-Marne | 4,274.23 mi (6,878.70 km) |
| Willmar to Orsay | 4,265.22 mi (6,864.21 km) |
