| Peoria to Nuth | 4,321.90 mi (6,955.43 km) |
| Peoria to Oegstgeest | 4,224.59 mi (6,798.82 km) |
| Peoria to Oirschot | 4,279.31 mi (6,886.89 km) |
| Peoria to Oisterwijk | 4,272.66 mi (6,876.18 km) |
| Peoria to Oldebroek | 4,267.19 mi (6,867.38 km) |
| Peoria to Oldenzaal | 4,309.16 mi (6,934.92 km) |
| Peoria to Ommen | 4,283.38 mi (6,893.43 km) |
| Peoria to Oosterend | 4,253.42 mi (6,845.21 km) |
| Peoria to Oosterhout | 4,257.91 mi (6,852.45 km) |
| Peoria to Oosterwolde | 4,261.91 mi (6,858.87 km) |
| Peoria to Oostzaan | 4,231.01 mi (6,809.15 km) |
| Peoria to Opmeer | 4,224.08 mi (6,798.00 km) |
| Peoria to Oss | 4,277.71 mi (6,884.31 km) |
| Peoria to Oud-Beijerland | 4,234.98 mi (6,815.53 km) |
| Peoria to Oudenbosch | 4,247.54 mi (6,835.76 km) |
