| Spalding to Oberkirch | 464.77 mi (747.97 km) |
| Spalding to Obernburg am Main | 449.59 mi (723.55 km) |
| Spalding to Obernkirchen | 391.08 mi (629.38 km) |
| Spalding to Oberschleissheim | 601.67 mi (968.29 km) |
| Spalding to Oberstdorf | 592.10 mi (952.90 km) |
| Spalding to Obertraubling | 597.41 mi (961.44 km) |
| Spalding to Obertshausen | 429.91 mi (691.87 km) |
| Spalding to Oberursel | 415.40 mi (668.52 km) |
| Spalding to Ochsenfurt | 491.89 mi (791.63 km) |
| Spalding to Ochsenhausen | 550.29 mi (885.61 km) |
| Spalding to Ochtrup | 311.35 mi (501.06 km) |
| Spalding to Odenthal | 332.49 mi (535.09 km) |
| Spalding to Oelde | 356.65 mi (573.97 km) |
| Spalding to Oelsnitz | 552.66 mi (889.42 km) |
| Spalding to Oer-Erkenschwick | 323.08 mi (519.94 km) |
