| Round Lake to Oststeinbek | 4,242.85 mi (6,828.20 km) |
| Round Lake to Ottendorf-Okrilla | 4,463.18 mi (7,182.79 km) |
| Round Lake to Ottersberg | 4,224.70 mi (6,799.00 km) |
| Round Lake to Ottobrunn | 4,514.49 mi (7,265.36 km) |
| Round Lake to Ottweiler | 4,295.13 mi (6,912.34 km) |
| Round Lake to Overath | 4,239.92 mi (6,823.49 km) |
| Round Lake to Oyten | 4,221.58 mi (6,793.97 km) |
| Round Lake to Paderborn | 4,263.27 mi (6,861.06 km) |
| Round Lake to Papenburg | 4,164.78 mi (6,702.56 km) |
| Round Lake to Parchim | 4,304.52 mi (6,927.45 km) |
| Round Lake to Pasewalk | 4,373.89 mi (7,039.10 km) |
| Round Lake to Passau | 4,559.16 mi (7,337.25 km) |
| Round Lake to Pattensen | 4,278.04 mi (6,884.84 km) |
| Round Lake to Pegnitz | 4,440.80 mi (7,146.77 km) |
| Round Lake to Peine | 4,292.32 mi (6,907.82 km) |
