| Downham Market to Noventa Vicentina | 713.53 mi (1,148.32 km) |
| Downham Market to Novi di Modena | 714.70 mi (1,150.19 km) |
| Downham Market to Novi Ligure | 662.51 mi (1,066.21 km) |
| Downham Market to Nuoro | 947.78 mi (1,525.30 km) |
| Downham Market to Occhiobello | 734.10 mi (1,181.41 km) |
| Downham Market to Oderzo | 719.90 mi (1,158.57 km) |
| Downham Market to Oggiono | 619.97 mi (997.74 km) |
| Downham Market to Olbia | 913.53 mi (1,470.18 km) |
| Downham Market to Oleggio | 609.90 mi (981.54 km) |
| Downham Market to Olgiate Comasco | 608.90 mi (979.94 km) |
| Downham Market to Olgiate Olona | 614.95 mi (989.67 km) |
| Downham Market to Omegna | 587.89 mi (946.12 km) |
| Downham Market to Opera | 638.38 mi (1,027.38 km) |
| Downham Market to Oppeano | 701.60 mi (1,129.11 km) |
| Downham Market to Orbassano | 616.56 mi (992.26 km) |
