| Islington to Oerlinghausen | 375.97 mi (605.07 km) |
| Islington to Oestrich-Winkel | 369.55 mi (594.73 km) |
| Islington to Offenburg | 415.06 mi (667.97 km) |
| Islington to Oftersheim | 410.27 mi (660.27 km) |
| Islington to Ohrdruf | 471.42 mi (758.67 km) |
| Islington to Ohringen | 452.68 mi (728.52 km) |
| Islington to Olbernhau | 585.20 mi (941.79 km) |
| Islington to Olching | 557.75 mi (897.61 km) |
| Islington to Oldenburg | 367.79 mi (591.90 km) |
| Islington to Oldenburg in Holstein | 495.01 mi (796.64 km) |
| Islington to Olfen | 321.14 mi (516.83 km) |
| Islington to Olpe | 344.74 mi (554.80 km) |
| Islington to Olsberg | 369.76 mi (595.07 km) |
| Islington to Oranienburg | 570.85 mi (918.69 km) |
| Islington to Ortenberg | 406.71 mi (654.54 km) |
