| Rosignano Marittimo to Oberkirch | 372.64 mi (599.70 km) |
| Rosignano Marittimo to Obernburg am Main | 449.36 mi (723.18 km) |
| Rosignano Marittimo to Obernkirchen | 615.77 mi (990.98 km) |
| Rosignano Marittimo to Oberschleissheim | 339.25 mi (545.97 km) |
| Rosignano Marittimo to Oberstdorf | 277.19 mi (446.10 km) |
| Rosignano Marittimo to Obertraubling | 393.04 mi (632.53 km) |
| Rosignano Marittimo to Obertshausen | 467.04 mi (751.63 km) |
| Rosignano Marittimo to Oberursel | 478.44 mi (769.98 km) |
| Rosignano Marittimo to Ochsenfurt | 432.25 mi (695.64 km) |
| Rosignano Marittimo to Ochsenhausen | 323.78 mi (521.08 km) |
| Rosignano Marittimo to Ochtrup | 626.95 mi (1,008.98 km) |
| Rosignano Marittimo to Odenthal | 550.19 mi (885.45 km) |
| Rosignano Marittimo to Oelde | 592.51 mi (953.55 km) |
| Rosignano Marittimo to Oelsnitz | 491.37 mi (790.78 km) |
| Rosignano Marittimo to Oer-Erkenschwick | 588.76 mi (947.52 km) |
