| Trutnov to Oignies | 566.93 mi (912.39 km) |
| Trutnov to Oissel | 663.16 mi (1,067.25 km) |
| Trutnov to Olivet | 658.19 mi (1,059.25 km) |
| Trutnov to Ollioules | 698.19 mi (1,123.63 km) |
| Trutnov to Olonne-sur-Mer | 852.92 mi (1,372.64 km) |
| Trutnov to Oloron-Sainte-Marie | 928.35 mi (1,494.04 km) |
| Trutnov to Onet Village | 753.42 mi (1,212.52 km) |
| Trutnov to Onnaing | 541.03 mi (870.71 km) |
| Trutnov to Orange | 682.15 mi (1,097.82 km) |
| Trutnov to Orchies | 555.93 mi (894.68 km) |
| Trutnov to Orleans | 656.85 mi (1,057.09 km) |
| Trutnov to Orly | 616.76 mi (992.58 km) |
| Trutnov to Ormesson-sur-Marne | 609.58 mi (981.03 km) |
| Trutnov to Orsay | 626.63 mi (1,008.47 km) |
| Trutnov to Orthez | 922.20 mi (1,484.14 km) |
