| Clay to Oststeinbek | 4,641.47 mi (7,469.73 km) |
| Clay to Ottendorf-Okrilla | 4,854.46 mi (7,812.49 km) |
| Clay to Ottersberg | 4,617.26 mi (7,430.77 km) |
| Clay to Ottobrunn | 4,875.81 mi (7,846.85 km) |
| Clay to Ottweiler | 4,652.43 mi (7,487.36 km) |
| Clay to Overath | 4,610.43 mi (7,419.78 km) |
| Clay to Oyten | 4,613.49 mi (7,424.69 km) |
| Clay to Paderborn | 4,643.98 mi (7,473.77 km) |
| Clay to Papenburg | 4,552.52 mi (7,326.58 km) |
| Clay to Parchim | 4,706.57 mi (7,574.50 km) |
| Clay to Pasewalk | 4,782.36 mi (7,696.47 km) |
| Clay to Passau | 4,930.22 mi (7,934.42 km) |
| Clay to Pattensen | 4,665.83 mi (7,508.92 km) |
| Clay to Pegnitz | 4,814.58 mi (7,748.33 km) |
| Clay to Peine | 4,681.80 mi (7,534.62 km) |