| Merrillville to Oststeinbek | 4,260.46 mi (6,856.55 km) |
| Merrillville to Ottendorf-Okrilla | 4,479.87 mi (7,209.65 km) |
| Merrillville to Ottersberg | 4,241.33 mi (6,825.77 km) |
| Merrillville to Ottobrunn | 4,526.61 mi (7,284.87 km) |
| Merrillville to Ottweiler | 4,306.39 mi (6,930.47 km) |
| Merrillville to Overath | 4,253.13 mi (6,844.75 km) |
| Merrillville to Oyten | 4,238.10 mi (6,820.57 km) |
| Merrillville to Paderborn | 4,278.08 mi (6,884.91 km) |
| Merrillville to Papenburg | 4,180.58 mi (6,728.00 km) |
| Merrillville to Parchim | 4,322.75 mi (6,956.79 km) |
| Merrillville to Pasewalk | 4,393.22 mi (7,070.21 km) |
| Merrillville to Passau | 4,572.81 mi (7,359.23 km) |
| Merrillville to Pattensen | 4,293.98 mi (6,910.49 km) |
| Merrillville to Pegnitz | 4,454.74 mi (7,169.21 km) |
| Merrillville to Peine | 4,308.54 mi (6,933.92 km) |
