| Seguin to Oerlinghausen | 5,277.05 mi (8,492.59 km) |
| Seguin to Oestrich-Winkel | 5,322.07 mi (8,565.04 km) |
| Seguin to Offenburg | 5,374.11 mi (8,648.80 km) |
| Seguin to Oftersheim | 5,366.94 mi (8,637.26 km) |
| Seguin to Ohrdruf | 5,394.21 mi (8,681.13 km) |
| Seguin to Ohringen | 5,408.22 mi (8,703.69 km) |
| Seguin to Olbernhau | 5,495.07 mi (8,843.46 km) |
| Seguin to Olching | 5,515.28 mi (8,875.98 km) |
| Seguin to Oldenburg | 5,219.18 mi (8,399.45 km) |
| Seguin to Oldenburg in Holstein | 5,271.04 mi (8,482.91 km) |
| Seguin to Olfen | 5,238.65 mi (8,430.80 km) |
| Seguin to Olpe | 5,279.85 mi (8,497.10 km) |
| Seguin to Olsberg | 5,292.25 mi (8,517.05 km) |
| Seguin to Oranienburg | 5,410.33 mi (8,707.08 km) |
| Seguin to Ortenberg | 5,349.24 mi (8,608.76 km) |
