| Otwock to Noventa Vicentina | 646.93 mi (1,041.14 km) |
| Otwock to Novi di Modena | 687.36 mi (1,106.20 km) |
| Otwock to Novi Ligure | 763.45 mi (1,228.65 km) |
| Otwock to Nuoro | 992.30 mi (1,596.96 km) |
| Otwock to Occhiobello | 664.91 mi (1,070.07 km) |
| Otwock to Oderzo | 590.90 mi (950.97 km) |
| Otwock to Oggiono | 694.11 mi (1,117.06 km) |
| Otwock to Olbia | 952.32 mi (1,532.62 km) |
| Otwock to Oleggio | 728.03 mi (1,171.66 km) |
| Otwock to Olgiate Comasco | 707.62 mi (1,138.80 km) |
| Otwock to Olgiate Olona | 717.62 mi (1,154.89 km) |
| Otwock to Omegna | 723.30 mi (1,164.03 km) |
| Otwock to Opera | 717.96 mi (1,155.44 km) |
| Otwock to Oppeano | 657.01 mi (1,057.36 km) |
| Otwock to Orbassano | 794.94 mi (1,279.33 km) |
