| Mardin to Noventa Vicentina | 1,602.12 mi (2,578.36 km) |
| Mardin to Novi di Modena | 1,628.36 mi (2,620.59 km) |
| Mardin to Novi Ligure | 1,730.05 mi (2,784.25 km) |
| Mardin to Nuoro | 1,694.27 mi (2,726.66 km) |
| Mardin to Occhiobello | 1,595.74 mi (2,568.10 km) |
| Mardin to Oderzo | 1,562.97 mi (2,515.36 km) |
| Mardin to Oggiono | 1,711.97 mi (2,755.15 km) |
| Mardin to Olbia | 1,683.75 mi (2,709.73 km) |
| Mardin to Oleggio | 1,744.39 mi (2,807.32 km) |
| Mardin to Olgiate Comasco | 1,730.23 mi (2,784.54 km) |
| Mardin to Olgiate Olona | 1,732.74 mi (2,788.57 km) |
| Mardin to Omegna | 1,757.84 mi (2,828.98 km) |
| Mardin to Opera | 1,714.37 mi (2,759.01 km) |
| Mardin to Oppeano | 1,619.08 mi (2,605.66 km) |
| Mardin to Orbassano | 1,792.60 mi (2,884.91 km) |
