| Cloppenburg to Novi di Modena | 564.69 mi (908.78 km) |
| Cloppenburg to Novi Ligure | 560.01 mi (901.25 km) |
| Cloppenburg to Nuoro | 868.07 mi (1,397.03 km) |
| Cloppenburg to Occhiobello | 570.63 mi (918.34 km) |
| Cloppenburg to Oderzo | 527.58 mi (849.06 km) |
| Cloppenburg to Oggiono | 491.74 mi (791.37 km) |
| Cloppenburg to Olbia | 827.30 mi (1,331.42 km) |
| Cloppenburg to Oleggio | 501.61 mi (807.27 km) |
| Cloppenburg to Olgiate Comasco | 489.99 mi (788.57 km) |
| Cloppenburg to Olgiate Olona | 500.03 mi (804.72 km) |
| Cloppenburg to Omegna | 481.98 mi (775.67 km) |
| Cloppenburg to Opera | 518.57 mi (834.56 km) |
| Cloppenburg to Oppeano | 540.45 mi (869.77 km) |
| Cloppenburg to Orbassano | 542.37 mi (872.87 km) |
| Cloppenburg to Orbetello | 734.02 mi (1,181.30 km) |
