| Thatto Heath to Octeville | 267.37 mi (430.29 km) |
| Thatto Heath to Oignies | 318.85 mi (513.15 km) |
| Thatto Heath to Oissel | 327.60 mi (527.22 km) |
| Thatto Heath to Olivet | 435.27 mi (700.50 km) |
| Thatto Heath to Ollioules | 812.42 mi (1,307.46 km) |
| Thatto Heath to Olonne-sur-Mer | 478.63 mi (770.29 km) |
| Thatto Heath to Oloron-Sainte-Marie | 714.31 mi (1,149.57 km) |
| Thatto Heath to Onet Village | 671.51 mi (1,080.68 km) |
| Thatto Heath to Onnaing | 342.56 mi (551.30 km) |
| Thatto Heath to Orange | 727.75 mi (1,171.20 km) |
| Thatto Heath to Orchies | 326.84 mi (526.00 km) |
| Thatto Heath to Orleans | 433.05 mi (696.93 km) |
| Thatto Heath to Orly | 393.27 mi (632.91 km) |
| Thatto Heath to Ormesson-sur-Marne | 394.46 mi (634.82 km) |
| Thatto Heath to Orsay | 391.01 mi (629.27 km) |
