| Middlesex to Noventa Vicentina | 4,149.46 mi (6,677.91 km) |
| Middlesex to Novi di Modena | 4,135.51 mi (6,655.46 km) |
| Middlesex to Novi Ligure | 4,048.73 mi (6,515.80 km) |
| Middlesex to Nuoro | 4,222.69 mi (6,795.76 km) |
| Middlesex to Occhiobello | 4,163.66 mi (6,700.77 km) |
| Middlesex to Oderzo | 4,173.28 mi (6,716.25 km) |
| Middlesex to Oggiono | 4,040.05 mi (6,501.84 km) |
| Middlesex to Olbia | 4,209.32 mi (6,774.25 km) |
| Middlesex to Oleggio | 4,015.22 mi (6,461.87 km) |
| Middlesex to Olgiate Comasco | 4,023.67 mi (6,475.48 km) |
| Middlesex to Olgiate Olona | 4,024.88 mi (6,477.42 km) |
| Middlesex to Omegna | 3,996.72 mi (6,432.10 km) |
| Middlesex to Opera | 4,047.19 mi (6,513.33 km) |
| Middlesex to Oppeano | 4,134.01 mi (6,653.05 km) |
| Middlesex to Orbassano | 3,986.59 mi (6,415.80 km) |
