| Haaltert to Oestrich-Winkel | 186.62 mi (300.33 km) |
| Haaltert to Offenburg | 243.21 mi (391.41 km) |
| Haaltert to Oftersheim | 228.84 mi (368.28 km) |
| Haaltert to Ohrdruf | 293.55 mi (472.43 km) |
| Haaltert to Ohringen | 270.72 mi (435.68 km) |
| Haaltert to Olbernhau | 407.77 mi (656.24 km) |
| Haaltert to Olching | 377.08 mi (606.85 km) |
| Haaltert to Oldenburg | 236.86 mi (381.19 km) |
| Haaltert to Oldenburg in Holstein | 372.04 mi (598.74 km) |
| Haaltert to Olfen | 156.63 mi (252.07 km) |
| Haaltert to Olpe | 167.00 mi (268.77 km) |
| Haaltert to Olsberg | 196.85 mi (316.81 km) |
| Haaltert to Oranienburg | 414.38 mi (666.87 km) |
| Haaltert to Ortenberg | 224.69 mi (361.61 km) |
| Haaltert to Oschatz | 395.85 mi (637.06 km) |
