| Torre Annunziata to Oberkirch | 621.15 mi (999.65 km) |
| Torre Annunziata to Obernburg am Main | 678.01 mi (1,091.15 km) |
| Torre Annunziata to Obernkirchen | 834.01 mi (1,342.22 km) |
| Torre Annunziata to Oberschleissheim | 536.69 mi (863.71 km) |
| Torre Annunziata to Oberstdorf | 503.82 mi (810.82 km) |
| Torre Annunziata to Obertraubling | 577.97 mi (930.15 km) |
| Torre Annunziata to Obertshausen | 697.95 mi (1,123.25 km) |
| Torre Annunziata to Oberursel | 711.34 mi (1,144.79 km) |
| Torre Annunziata to Ochsenfurt | 650.07 mi (1,046.19 km) |
| Torre Annunziata to Ochsenhausen | 551.76 mi (887.97 km) |
| Torre Annunziata to Ochtrup | 862.00 mi (1,387.25 km) |
| Torre Annunziata to Odenthal | 791.72 mi (1,274.15 km) |
| Torre Annunziata to Oelde | 821.42 mi (1,321.95 km) |
| Torre Annunziata to Oelsnitz | 676.36 mi (1,088.50 km) |
| Torre Annunziata to Oer-Erkenschwick | 826.08 mi (1,329.44 km) |
