| Boo to Octeville | 1,035.12 mi (1,665.87 km) |
| Boo to Oignies | 857.08 mi (1,379.34 km) |
| Boo to Oissel | 970.73 mi (1,562.24 km) |
| Boo to Olivet | 1,031.51 mi (1,660.05 km) |
| Boo to Ollioules | 1,235.23 mi (1,987.92 km) |
| Boo to Olonne-sur-Mer | 1,205.31 mi (1,939.76 km) |
| Boo to Oloron-Sainte-Marie | 1,370.12 mi (2,204.99 km) |
| Boo to Onet Village | 1,223.61 mi (1,969.20 km) |
| Boo to Onnaing | 845.08 mi (1,360.03 km) |
| Boo to Orange | 1,190.98 mi (1,916.70 km) |
| Boo to Orchies | 849.92 mi (1,367.82 km) |
| Boo to Orleans | 1,029.08 mi (1,656.14 km) |
| Boo to Orly | 968.59 mi (1,558.79 km) |
| Boo to Ormesson-sur-Marne | 962.41 mi (1,548.85 km) |
| Boo to Orsay | 976.57 mi (1,571.64 km) |
