| Darlington to Noventa Vicentina | 861.56 mi (1,386.55 km) |
| Darlington to Novi di Modena | 864.96 mi (1,392.02 km) |
| Darlington to Novi Ligure | 816.34 mi (1,313.77 km) |
| Darlington to Nuoro | 1,102.95 mi (1,775.02 km) |
| Darlington to Occhiobello | 882.92 mi (1,420.92 km) |
| Darlington to Oderzo | 864.10 mi (1,390.64 km) |
| Darlington to Oggiono | 771.43 mi (1,241.50 km) |
| Darlington to Olbia | 1,068.66 mi (1,719.84 km) |
| Darlington to Oleggio | 762.92 mi (1,227.80 km) |
| Darlington to Olgiate Comasco | 761.07 mi (1,224.83 km) |
| Darlington to Olgiate Olona | 767.52 mi (1,235.20 km) |
| Darlington to Omegna | 740.85 mi (1,192.28 km) |
| Darlington to Opera | 790.80 mi (1,272.67 km) |
| Darlington to Oppeano | 850.36 mi (1,368.53 km) |
| Darlington to Orbassano | 771.37 mi (1,241.39 km) |
