| Marlow to Noventa Vicentina | 710.75 mi (1,143.84 km) |
| Marlow to Novi di Modena | 706.91 mi (1,137.66 km) |
| Marlow to Novi Ligure | 643.77 mi (1,036.05 km) |
| Marlow to Nuoro | 914.95 mi (1,472.47 km) |
| Marlow to Occhiobello | 729.43 mi (1,173.91 km) |
| Marlow to Oderzo | 724.05 mi (1,165.25 km) |
| Marlow to Oggiono | 610.12 mi (981.90 km) |
| Marlow to Olbia | 883.06 mi (1,421.14 km) |
| Marlow to Oleggio | 595.15 mi (957.80 km) |
| Marlow to Olgiate Comasco | 597.08 mi (960.90 km) |
| Marlow to Olgiate Olona | 601.74 mi (968.40 km) |
| Marlow to Omegna | 573.66 mi (923.22 km) |
| Marlow to Opera | 625.38 mi (1,006.45 km) |
| Marlow to Oppeano | 697.41 mi (1,122.37 km) |
| Marlow to Orbassano | 592.36 mi (953.32 km) |
