| Islington to Noventa Vicentina | 685.55 mi (1,103.28 km) |
| Islington to Novi di Modena | 682.61 mi (1,098.55 km) |
| Islington to Novi Ligure | 621.70 mi (1,000.53 km) |
| Islington to Nuoro | 896.87 mi (1,443.37 km) |
| Islington to Occhiobello | 704.58 mi (1,133.91 km) |
| Islington to Oderzo | 697.75 mi (1,122.92 km) |
| Islington to Oggiono | 586.09 mi (943.22 km) |
| Islington to Olbia | 864.28 mi (1,390.92 km) |
| Islington to Oleggio | 572.11 mi (920.72 km) |
| Islington to Olgiate Comasco | 573.42 mi (922.84 km) |
| Islington to Olgiate Olona | 578.38 mi (930.81 km) |
| Islington to Omegna | 550.47 mi (885.89 km) |
| Islington to Opera | 602.01 mi (968.85 km) |
| Islington to Oppeano | 672.43 mi (1,082.17 km) |
| Islington to Orbassano | 571.54 mi (919.80 km) |
