| Dollis Hill to Oerlinghausen | 381.38 mi (613.77 km) |
| Dollis Hill to Oestrich-Winkel | 375.36 mi (604.08 km) |
| Dollis Hill to Offenburg | 420.70 mi (677.06 km) |
| Dollis Hill to Oftersheim | 416.07 mi (669.60 km) |
| Dollis Hill to Ohrdruf | 477.10 mi (767.82 km) |
| Dollis Hill to Ohringen | 458.48 mi (737.86 km) |
| Dollis Hill to Olbernhau | 590.86 mi (950.90 km) |
| Dollis Hill to Olching | 563.53 mi (906.91 km) |
| Dollis Hill to Oldenburg | 372.59 mi (599.63 km) |
| Dollis Hill to Oldenburg in Holstein | 499.42 mi (803.74 km) |
| Dollis Hill to Olfen | 326.65 mi (525.69 km) |
| Dollis Hill to Olpe | 350.45 mi (563.99 km) |
| Dollis Hill to Olsberg | 375.37 mi (604.10 km) |
| Dollis Hill to Oranienburg | 576.01 mi (927.00 km) |
| Dollis Hill to Ortenberg | 412.50 mi (663.85 km) |
