| Irmo to Oststeinbek | 4,418.07 mi (7,110.20 km) |
| Irmo to Ottendorf-Okrilla | 4,626.45 mi (7,445.55 km) |
| Irmo to Ottersberg | 4,391.15 mi (7,066.87 km) |
| Irmo to Ottobrunn | 4,634.72 mi (7,458.86 km) |
| Irmo to Ottweiler | 4,410.84 mi (7,098.57 km) |
| Irmo to Overath | 4,374.55 mi (7,040.16 km) |
| Irmo to Oyten | 4,387.09 mi (7,060.34 km) |
| Irmo to Paderborn | 4,412.34 mi (7,100.98 km) |
| Irmo to Papenburg | 4,324.55 mi (6,959.69 km) |
| Irmo to Parchim | 4,484.45 mi (7,217.02 km) |
| Irmo to Pasewalk | 4,562.95 mi (7,343.36 km) |
| Irmo to Passau | 4,692.90 mi (7,552.49 km) |
| Irmo to Pattensen | 4,437.24 mi (7,141.05 km) |
| Irmo to Pegnitz | 4,579.02 mi (7,369.22 km) |
| Irmo to Peine | 4,453.90 mi (7,167.85 km) |
