| Karlstad to Noventa Vicentina | 977.31 mi (1,572.83 km) |
| Karlstad to Novi di Modena | 1,006.69 mi (1,620.11 km) |
| Karlstad to Novi Ligure | 1,029.13 mi (1,656.23 km) |
| Karlstad to Nuoro | 1,329.44 mi (2,139.53 km) |
| Karlstad to Occhiobello | 1,002.08 mi (1,612.69 km) |
| Karlstad to Oderzo | 940.43 mi (1,513.47 km) |
| Karlstad to Oggiono | 954.91 mi (1,536.79 km) |
| Karlstad to Olbia | 1,287.27 mi (2,071.66 km) |
| Karlstad to Oleggio | 973.15 mi (1,566.14 km) |
| Karlstad to Olgiate Comasco | 957.89 mi (1,541.58 km) |
| Karlstad to Olgiate Olona | 968.79 mi (1,559.11 km) |
| Karlstad to Omegna | 956.26 mi (1,538.96 km) |
| Karlstad to Opera | 983.22 mi (1,582.33 km) |
| Karlstad to Oppeano | 977.49 mi (1,573.11 km) |
| Karlstad to Orbassano | 1,023.60 mi (1,647.33 km) |
