| Gudensberg to Oestrich-Winkel | 101.38 mi (163.15 km) |
| Gudensberg to Offenburg | 198.26 mi (319.08 km) |
| Gudensberg to Oftersheim | 129.92 mi (209.08 km) |
| Gudensberg to Ohrdruf | 64.26 mi (103.42 km) |
| Gudensberg to Ohringen | 137.16 mi (220.74 km) |
| Gudensberg to Olbernhau | 176.38 mi (283.85 km) |
| Gudensberg to Olching | 223.77 mi (360.13 km) |
| Gudensberg to Oldenburg | 144.00 mi (231.75 km) |
| Gudensberg to Oldenburg in Holstein | 224.48 mi (361.26 km) |
| Gudensberg to Olfen | 93.01 mi (149.69 km) |
| Gudensberg to Olpe | 67.52 mi (108.66 km) |
| Gudensberg to Olsberg | 39.89 mi (64.20 km) |
| Gudensberg to Oranienburg | 197.25 mi (317.45 km) |
| Gudensberg to Ortenberg | 58.77 mi (94.58 km) |
| Gudensberg to Oschatz | 161.98 mi (260.68 km) |
