| Efringen-Kirchen to Novi di Modena | 248.53 mi (399.98 km) |
| Efringen-Kirchen to Novi Ligure | 208.44 mi (335.45 km) |
| Efringen-Kirchen to Nuoro | 514.59 mi (828.15 km) |
| Efringen-Kirchen to Occhiobello | 269.07 mi (433.03 km) |
| Efringen-Kirchen to Oderzo | 266.85 mi (429.46 km) |
| Efringen-Kirchen to Oggiono | 154.51 mi (248.67 km) |
| Efringen-Kirchen to Olbia | 475.30 mi (764.92 km) |
| Efringen-Kirchen to Oleggio | 150.79 mi (242.67 km) |
| Efringen-Kirchen to Olgiate Comasco | 145.38 mi (233.97 km) |
| Efringen-Kirchen to Olgiate Olona | 153.06 mi (246.33 km) |
| Efringen-Kirchen to Omegna | 129.10 mi (207.77 km) |
| Efringen-Kirchen to Opera | 175.52 mi (282.47 km) |
| Efringen-Kirchen to Oppeano | 236.84 mi (381.15 km) |
| Efringen-Kirchen to Orbassano | 182.98 mi (294.49 km) |
| Efringen-Kirchen to Orbetello | 401.86 mi (646.72 km) |
