| Renfrew to Noventa Vicentina | 1,007.18 mi (1,620.90 km) |
| Renfrew to Novi di Modena | 1,010.29 mi (1,625.90 km) |
| Renfrew to Novi Ligure | 959.92 mi (1,544.84 km) |
| Renfrew to Nuoro | 1,242.67 mi (1,999.88 km) |
| Renfrew to Occhiobello | 1,028.47 mi (1,655.17 km) |
| Renfrew to Oderzo | 1,009.65 mi (1,624.87 km) |
| Renfrew to Oggiono | 916.40 mi (1,474.80 km) |
| Renfrew to Olbia | 1,209.27 mi (1,946.13 km) |
| Renfrew to Oleggio | 907.15 mi (1,459.91 km) |
| Renfrew to Olgiate Comasco | 905.76 mi (1,457.68 km) |
| Renfrew to Olgiate Olona | 912.01 mi (1,467.74 km) |
| Renfrew to Omegna | 885.11 mi (1,424.45 km) |
| Renfrew to Opera | 935.38 mi (1,505.34 km) |
| Renfrew to Oppeano | 995.92 mi (1,602.77 km) |
| Renfrew to Orbassano | 913.49 mi (1,470.12 km) |
