| Ironton to Oststeinbek | 4,245.50 mi (6,832.48 km) |
| Ironton to Ottendorf-Okrilla | 4,459.62 mi (7,177.06 km) |
| Ironton to Ottersberg | 4,222.03 mi (6,794.71 km) |
| Ironton to Ottobrunn | 4,485.77 mi (7,219.15 km) |
| Ironton to Ottweiler | 4,262.83 mi (6,860.36 km) |
| Ironton to Overath | 4,218.47 mi (6,788.97 km) |
| Ironton to Oyten | 4,218.34 mi (6,788.76 km) |
| Ironton to Paderborn | 4,250.45 mi (6,840.43 km) |
| Ironton to Papenburg | 4,157.88 mi (6,691.46 km) |
| Ironton to Parchim | 4,310.25 mi (6,936.68 km) |
| Ironton to Pasewalk | 4,385.39 mi (7,057.60 km) |
| Ironton to Passau | 4,538.54 mi (7,304.07 km) |
| Ironton to Pattensen | 4,271.29 mi (6,873.98 km) |
| Ironton to Pegnitz | 4,422.32 mi (7,117.04 km) |
| Ironton to Peine | 4,287.04 mi (6,899.33 km) |
