| Bolu to Octeville | 1,714.98 mi (2,760.00 km) |
| Bolu to Oignies | 1,525.18 mi (2,454.55 km) |
| Bolu to Oissel | 1,590.68 mi (2,559.95 km) |
| Bolu to Olivet | 1,538.21 mi (2,475.51 km) |
| Bolu to Ollioules | 1,329.08 mi (2,138.95 km) |
| Bolu to Olonne-sur-Mer | 1,702.97 mi (2,740.66 km) |
| Bolu to Oloron-Sainte-Marie | 1,653.42 mi (2,660.93 km) |
| Bolu to Onet Village | 1,489.90 mi (2,397.76 km) |
| Bolu to Onnaing | 1,498.04 mi (2,410.86 km) |
| Bolu to Orange | 1,380.23 mi (2,221.27 km) |
| Bolu to Orchies | 1,514.65 mi (2,437.59 km) |
| Bolu to Orleans | 1,538.18 mi (2,475.47 km) |
| Bolu to Orly | 1,525.31 mi (2,454.75 km) |
| Bolu to Ormesson-sur-Marne | 1,519.31 mi (2,445.09 km) |
| Bolu to Orsay | 1,533.97 mi (2,468.68 km) |
