| Totteridge to Noventa Vicentina | 692.57 mi (1,114.59 km) |
| Totteridge to Novi di Modena | 689.79 mi (1,110.11 km) |
| Totteridge to Novi Ligure | 629.13 mi (1,012.49 km) |
| Totteridge to Nuoro | 904.44 mi (1,455.56 km) |
| Totteridge to Occhiobello | 711.67 mi (1,145.32 km) |
| Totteridge to Oderzo | 704.52 mi (1,133.82 km) |
| Totteridge to Oggiono | 593.32 mi (954.85 km) |
| Totteridge to Olbia | 871.84 mi (1,403.09 km) |
| Totteridge to Oleggio | 579.46 mi (932.54 km) |
| Totteridge to Olgiate Comasco | 580.70 mi (934.55 km) |
| Totteridge to Olgiate Olona | 585.69 mi (942.58 km) |
| Totteridge to Omegna | 557.80 mi (897.69 km) |
| Totteridge to Opera | 609.32 mi (980.61 km) |
| Totteridge to Oppeano | 679.50 mi (1,093.55 km) |
| Totteridge to Orbassano | 579.05 mi (931.89 km) |
