| Clearlake to Noventa Vicentina | 5,958.54 mi (9,589.34 km) |
| Clearlake to Novi di Modena | 5,963.49 mi (9,597.31 km) |
| Clearlake to Novi Ligure | 5,911.48 mi (9,513.60 km) |
| Clearlake to Nuoro | 6,177.43 mi (9,941.62 km) |
| Clearlake to Occhiobello | 5,980.57 mi (9,624.80 km) |
| Clearlake to Oderzo | 5,955.68 mi (9,584.74 km) |
| Clearlake to Oggiono | 5,869.95 mi (9,446.78 km) |
| Clearlake to Olbia | 6,148.64 mi (9,895.28 km) |
| Clearlake to Oleggio | 5,860.05 mi (9,430.84 km) |
| Clearlake to Olgiate Comasco | 5,859.20 mi (9,429.48 km) |
| Clearlake to Olgiate Olona | 5,865.26 mi (9,439.23 km) |
| Clearlake to Omegna | 5,838.09 mi (9,395.50 km) |
| Clearlake to Opera | 5,888.71 mi (9,476.96 km) |
| Clearlake to Oppeano | 5,948.05 mi (9,572.46 km) |
| Clearlake to Orbassano | 5,861.53 mi (9,433.22 km) |
