| Didymoteicho to Orthez | 1,392.53 mi (2,241.06 km) |
| Didymoteicho to Orvault | 1,440.43 mi (2,318.16 km) |
| Didymoteicho to Osny | 1,295.96 mi (2,085.64 km) |
| Didymoteicho to Ostwald | 1,040.77 mi (1,674.96 km) |
| Didymoteicho to Ouistreham | 1,401.37 mi (2,255.29 km) |
| Didymoteicho to Oullins | 1,123.72 mi (1,808.46 km) |
| Didymoteicho to Outreau | 1,349.14 mi (2,171.23 km) |
| Didymoteicho to Oyonnax | 1,089.54 mi (1,753.45 km) |
| Didymoteicho to Ozoir-la-Ferriere | 1,263.85 mi (2,033.96 km) |
| Didymoteicho to Pace | 1,455.01 mi (2,341.61 km) |
| Didymoteicho to Palaiseau | 1,281.88 mi (2,062.99 km) |
| Didymoteicho to Pamiers | 1,274.39 mi (2,050.94 km) |
| Didymoteicho to Panazol | 1,292.21 mi (2,079.61 km) |
| Didymoteicho to Pantin | 1,278.19 mi (2,057.05 km) |
| Didymoteicho to Paray-le-Monial | 1,164.03 mi (1,873.33 km) |
