| Locarno to Oberkirch | 166.92 mi (268.63 km) |
| Locarno to Obernburg am Main | 254.29 mi (409.24 km) |
| Locarno to Obernkirchen | 421.69 mi (678.65 km) |
| Locarno to Oberschleissheim | 193.84 mi (311.95 km) |
| Locarno to Oberstdorf | 110.78 mi (178.28 km) |
| Locarno to Obertraubling | 249.03 mi (400.77 km) |
| Locarno to Obertshausen | 269.47 mi (433.67 km) |
| Locarno to Oberursel | 279.09 mi (449.15 km) |
| Locarno to Ochsenfurt | 247.71 mi (398.65 km) |
| Locarno to Ochsenhausen | 142.29 mi (228.99 km) |
| Locarno to Ochtrup | 423.50 mi (681.56 km) |
| Locarno to Odenthal | 344.91 mi (555.08 km) |
| Locarno to Oelde | 392.63 mi (631.87 km) |
| Locarno to Oelsnitz | 331.85 mi (534.06 km) |
| Locarno to Oer-Erkenschwick | 384.78 mi (619.25 km) |
